74ACT521SCX - onsemi

Manufacturer Part Number

74ACT521SCX

Manufacturer

onsemi

Introduction

The 74ACT521SCX is an 8-bit identity comparator from onsemi's 74ACT series designed for logic comparison applications, where it identifies if two 8-bit words are identical.

Product Features and Performance

8-bit identity comparator

Active low output

Operates within the supply voltage range of 4.5V to 5.5V

High-speed performance with max propagation delay of 10ns at 5V, 50pF

Low quiescent current of 4 µA

Product Advantages

Precision comparison for 8-bit data inputs

Energy-efficient with minimal quiescent current consumption

Robust output drive of 24mA on both high and low states

Key Technical Parameters

Number of Bits: 8

Output Function: A=B

Voltage Supply: 4.5V ~ 5.5V

Current Output High, Low: 24mA, 24mA

Max Propagation Delay @ V, Max CL: 10ns @ 5V, 50pF

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Stringent quality controls in production

Operating temperature range ensures stability in varying environmental conditions

Compatibility

Compatible with other devices in the 74ACT series

Surface mount (20-SOIC package), fitting standard PCB layouts

Application Areas

Data processing systems

Telecommunication systems

Microprocessor systems

Product Lifecycle

Status: Obsolete

For new designs or replacements, seek alternative onsemi products or newer technology upgrades

Several Key Reasons to Choose This Product

High reliability in data comparison and logic operations

Ideal for applications requiring precise 8-bit matching

Low power consumption and high drive capacity, ensuring efficient system performance

Wide operating temperature range suitable for harsh environments

Obsolescence allowing opportunity to purchase at potentially lower costs or in bulk for continuing existing designs